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Gahnospinel and Seraphinite Optical Properties


Seraphinite and Gahnospinel Optical Properties


Optical Properties

Luster
Vitreous   
Pearly, Greasy   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Gemmological Tables (2004)   
Transparent   

Refractive Index
1.735-1.790   
1.571-1.597   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Isometric   
Not Available   

Birefringence
Not Available   
Not Available   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Transparent   

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Gahnospinel and Seraphinite Optic Character

Gahnospinel and Seraphinite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Gahnospinel and Seraphinite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Gahnospinel and Seraphinite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character. Seraphinite has Biaxial/+ character.

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Gahnospinel and Seraphinite Transparency

Similar to their colors, Gahnospinel and Seraphinite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Gahnospinel is Gemmological Tables (2004) while Gahnospinel is Gemmological Tables (2004) in appearance.

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